Note 8 - Income Taxes (Details Narrative) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 27, 2015	Sep. 27, 2015	Sep. 28, 2014
Note 9 - Income Taxes Details Narrative
Net operating loss carryforward	$ 85,200,000	$ 85,200,000
Net operating loss carryforward - domestic	72,800,000	72,800,000
Net operating loss carryforward - foreign	12,400,000	12,400,000
Tax credit carryforwards	1,400,000	1,400,000
Net operating loss carryforward for which a benefit will be recorded in capital when realized	2,900,000	$ 2,900,000
Income tax rate		11.70%	(6.50%)
Alternative minimum tax provision recorded	$ 26,000	$ 48,000